.body{
    background-image: url(../images/bg2.png);
    background-repeat:no-repeat;
    background-size:  cover;
}
.box {
    width: 100%;
    height: 750px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.box .box1 {
    width: 300px;
    height: 300px;
    background: rgba(9, 9, 9, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    text-shadow: 5px 5px 5px rgba(0, 0, 0, .8);
}

.box .box2 {
    width: 300px;
    height: 300px;
    background-color: #fff;
    /* display: flex;
    justify-content: center;
    align-items: center; */
}
.box .box2 .title{
    text-align: center;
}
.box .box2 .message{
    margin: 20px 50px;

}
.box .box2 .message input{
    background-color: transparent;
   width: 200px;
   height: 20px;
   border: 0px;
   border-bottom: 1px solid #000;
   margin-bottom: 10px;
   /* 去掉输入时的边框 */
   outline:none;
}
.box .box2 .btn button{
    width: 200px;
    height: 30px;
    line-height: 30px;
    font-weight: 700;
    font-size: 15px;
    margin:0 50px;
    background-color: #e53d30;
    color: #fff;
    border: 0;
    border-radius: 30px;
}